@mixin inlineImage($picName, $path: '', $suffix: png){
  .#{$picName}{
    background-image: inline-image($path+$picName+'.'+$suffix);
  }
}
// example È±Ê¡png
// @include inlineImage('Í¼Æ¬Ãû','Í¼Æ¬Â·¾¶','Í¼Æ¬ÀàÐÍ');
// @include inlineImage('name');
// @include inlineImage('name','gif');
// @include inlineImage('name','icon/','gif');
